function normal(shader,t_base,t_second,t_detail)
shader:begin("clouds","clouds")
:fog(false)
:zb(true,false)
:sorting(3,true)
:blend (true, blend.srcalpha,blend.invsrcalpha)
shader:sampler("s_clouds0"):texture("null"):wrap():f_anisotropic()
shader:sampler("s_clouds1"):texture("null"):wrap():f_anisotropic()
shader:sampler("s_tonemap"):texture("$user$tonemap")
end